package IO操作;

import java.io.*;
import java.util.Arrays;

public class PWDemo2 {
    public static void main(String[] args) throws FileNotFoundException {

        FileOutputStream fos =new FileOutputStream("pw.txt",true);
        OutputStreamWriter osw =new OutputStreamWriter(fos);
        BufferedWriter bw =new BufferedWriter(osw);
        PrintWriter pw =new PrintWriter(bw);

        pw.println("你好");
        pw.println("再见");
        System.out.println("完毕");
        pw.close();
    }
    int i=10;
}
